Surface Tension

Instructor: Sara Serwer Youns

Email:sara.sarwer@tiu.edu.iq

Tishk International University

Mechatronics Engineering Department

Fluid Mechanics

Week 4 Lecture 5: 27/10 /2021

Previous Lecture

• Solving problems of viscosity

• Types of fluid

Example 1

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Example 2

Example 3

Adhesive forces & Cohesive Forces

• adhesive forces refers to the attractive forces between unlikesubstance, Adhesion is generally the force of attraction presentbetween the water molecules and the walls of vessels.

• Cohesive Forces :the force of cohesion is defined as the force of attraction between molecules of the same substance.

Next Lecture

• Capilarity